The duo wore nun masks and habits when they robbed the TCF Bank branch at 6410 W. 127th St. in Palos Heights at about 2 p.m. on Sunday, according to the Chicago FBI office.

They each wore the same type of “nun on the run” type of mask and each was armed with a handgun, according to the FBI. The masks were similar to those worn by a group of bank robbers in the 2010 heist film “The Town.”